package com.banmao.algorithm.No1To100.No98;

public class Answer {

    public static void main(String[] args) {

        Solution1 solution = new Solution1();

        TreeNode root = new TreeNode(5, new TreeNode(4), new TreeNode(6, new TreeNode(3), new TreeNode(7)));

        boolean validBST = solution.isValidBST(root);

        System.out.println(validBST);

    }

}
